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Site Planning
Site planning is an important step to maximize the
effectiveness of the hanging air filter. Air circulation
must be thought out and all obstructions to the air
path considered.
Think of air circulation in terms of the circular
motion of the air before and after the air filter. The
air exiting the filter is exhausted at a higher veloc-
ity than that entering it. Consequently, exhaust
being vented inside a building can have an effect
on the pattern of air circulation.
Air circulation patterns will vary depending upon
which method is used and according to your spe-
cific shop setup. You can direct the flow of circula-
tion on the air filter with the vents on the rear of
the machine. These can optimize good layout and
circulation, as shown in the Figure below.
Figure 6. Good air circulation. The air filter
placement promotes circular air motion.
Model G9956 (Mfg. Since 8/15)
Filter
The directional vents will have little effect if the air
filter is placed too close to obstructions, resulting
in poor air circulation, as shown in the Figure
below. In this situation, the velocity of the air is
lost and circulation is diminished.
Figure 7. Poor air circulation. Placed too close
to the wall, the air circulation short cycles, leav-
ing much of the room unfiltered.
Below is a list of things to keep in mind when
selecting a location to hang the air filter:
•
Study your shop layout to determine the best
location for the hanging air filter. The air filter
must have at least 12" of clearance all the
way around or the airflow will short-cycle.
•
The air filter works most effectively when hung
in front of sanders or areas where sanding is
being done with hand-held equipment.
•
Do not hang the air filter where garage doors
will pass closely by or where it may impede
transport or movement of any other object.
•
Hang the air filter where it can be accessed
easily for operation and cleaning.
Filter
-13-
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